Michael egbert murray



(No Model.)

M. R. MURRAY.

. HoltsBsHoB GALK lvLtmlaum.l No. 370,745. Patented Sept. 27, 1887.

mnses F195" Inventor l I his ftornegiw *UNITED STATESPATENT OFFICE.

MICHAEL ROBERT MURRAY, OF CAMBRIDGE, NEI/V YORK, ASSIGNOR OF ONE-HALF TO .I AMES E. CRANDELL, OF SAME PLACE.

HORESHOE-CALK MACHINE.

SPECIFICATION forming part of Letters Patent No.370,745, dated September 27, 1887.

Application filed January 8,1887. Serial No. 223,754. (No model.)

To all whom it may concern:

Be it known that I, MICHAEL ROBERT MUR- RAY, a citizen of the United States, residing at Cambridge, in the county of Washington and State of New York, have invented certain new and useful Improvements in Horseshoe-Calk Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and' use the same.

Figure lis a perspective view of this device; Fig. 2, a detail in side elevation, showing the arm of the movablejaw thrown into the position it has when this jaw is pressed toward the die; Fig. 3, a detail View of the die; Fig. 4, a plan view of the head of the machine, the die removed; Fig. 5, a detail in section of the die and its seat.

This invention belongs to that class of devices called horseshoe-calli machines;77 and the novelty consists in the construction and adaptation of the die; inthe construction of the movable jaw and its arm and the means of operatingthe same; in the means for attaching ythe diesseat to the upright or anvil, andin the construction and combination Aof the several parts, all as will be more fully described, reference being had to the accompanying drawings.

In the drawings,Adenotesthe floor, ground, or any suitable base, and B any suitable upright or anvil.' Upon the head of this upright is secured the die-holder C by means of its" front lip, @,which comes over the front edge of the upright, and the set-screw c,whieh passes through the lip c2 on the rear of the die-holder.

This lip comes down over the rear of the part ofthe upright, and thus the set-screw c', passing through it, binds upon this part. The die D, by means of the rib d on its under side, fits into the recesses c3 in the front end of the dieholder, and can be thus easily adapted to its position. The small end e of the part E, which enters the central hole, d', of the die, passes nearly through the die, and is chiefly relied on to maintain the die securely in position. This part is fastened at its other end to the upper face of the die-holder by means of the screw-bolt e. The recess c in the die-holder is usually open at the bottom, so that the bottom ofthe rib ofthe die rests directly ou the anvil or upright. The movable jaw F is pivoted near its upper end at f in the metallic brace G,which is fastened at itslower end to the base A, and its upper bent end is pivoted at g to the piece g, which in turn is clamped upon the rear of the part B by means of the setscrew gwhich passes through it flanged end g2 and binds against the said part. Atits lower end the arm f of the jaw F is pivoted to the lever H, just out of its center, and this in turn is connected by the rod or link t to the cam I, pivoted between the two metal bars y", which form the brace G.

The operation of the device will be readily understood from the foregoing description. The die-holder having been secured in position to an anvil or any other device, and the movable jaw having been secured properly in relation to the same, as has been above described, the workman places the horseshoe between the movable jawand the die, so that the calk is brought in proper position over the die, and then by placing his foot upon the end of thelever II thus operates the cam I, and throwing the lower end of the arm back, forces the jaw F down upon the shoe and holds it in position securely upon the die while the calk is being finished. When the workmans foot is removed from the lever, the weight h at the opposite end of the lever draws it down, and thus withdraws the jaw from the die and the shoe is removed.

By the construction above shown and described the die can be very readily placed in position and securely held there while the device is being used. Thereis no need of screws.,

or other directly-applied fastenings to secure the die to the upper end of the upright. The structure of the die and its holder are simple and inexpensive. Not only can the die be readily placed in position, but it can also be as readily removed when occasion demands. This last operation is performed by releasing the screw that contines the partEto the guide* holder.

The thrust of the lever can be regulated by xing the ends of the lever in the holes hin the lever nearer to or farther from the center.

As thus made, the device is very strong and very durable, and very well adapted to its uses.

ICO

Having now described my inventioimvhat I consider new, and desire to secure by Letters ble jaw F, pivoted near its upper end in the brace G, and at its lower end pivoted to the lever H, combined with said lever and the link i, and the cani I, pivoted in the brace G, all substantially as described.

5. The brace G, secured to the base and having the arm y near its upper end, said arm being attached to the anvil or upright, combined with the movable jaw F and its pivoted arm f', substantially as set forth.

6. In combination with the movable jaw F, 25 pivoted in brace G, and the lever II, having pivot-holes h and Weighted end h', the die-D, the die-holder C, and the cam I and link i, all substantially as described.

7. In combination with the dieholder C, having recess c, and the part E, having small end e, the perforated die I), having a rib, d, on its underside, substantially as set forth.

In testimony whereof I aflix my signature in presence of two Witnesses.

MICHAEL ROBERT MURRAY.

Witnesses:

DARWIN E. WHITCOMB, DANIEL M. W EsTFaLL. 

